直连路由

首先看一个简单的拓扑图

PC1与PC2通信的前提：
每台PC都配置好对应网段内的地址，同时配置好网关，网关为路由器上的接口地址

我们来看一下路由器里头的配置

[Huawei]display ip interface brief 
*down: administratively down
^down: standby
(l): loopback
(s): spoofing
The number of interface that is UP in Physical is 3
The number of interface that is DOWN in Physical is 0
The number of interface that is UP in Protocol is 3
The number of interface that is DOWN in Protocol is 0
Interface                         IP Address/Mask      Physical   Protocol  
GigabitEthernet0/0/0              2.0.0.1/24           up         up        
GigabitEthernet0/0/1              1.0.0.1/24           up         up        
NULL0                             unassigned           up         up(s)     
[Huawei] 
[Huawei]display ip routing-table 
Route Flags: R - relay, D - download to fib
------------------------------------------------------------------------------
Routing Tables: Public
         Destinations : 10       Routes : 10       
Destination/Mask    Proto   Pre  Cost      Flags NextHop         Interface
        1.0.0.0/24  Direct  0    0           D   1.0.0.1         GigabitEthernet
0/0/1
        1.0.0.1/32  Direct  0    0           D   127.0.0.1       GigabitEthernet
0/0/1
      1.0.0.255/32  Direct  0    0           D   127.0.0.1       GigabitEthernet
0/0/1
        2.0.0.0/24  Direct  0    0           D   2.0.0.1         GigabitEthernet
0/0/0
        2.0.0.1/32  Direct  0    0           D   127.0.0.1       GigabitEthernet
0/0/0
      2.0.0.255/32  Direct  0    0           D   127.0.0.1       GigabitEthernet
0/0/0
      127.0.0.0/8   Direct  0    0           D   127.0.0.1       InLoopBack0
      127.0.0.1/32  Direct  0    0           D   127.0.0.1       InLoopBack0
127.255.255.255/32  Direct  0    0           D   127.0.0.1       InLoopBack0
255.255.255.255/32  Direct  0    0           D   127.0.0.1       InLoopBack0
[Huawei]